Cheyenne Mountain Zoo is home to the world’s most prolific captive reticulated giraffe herd with 197 births at the Zoo since 1954, when giraffes were introduced to the Zoo’s animal collection. Cheyenne Mountain Zoo currently has 21 reticulated giraffe (Giraffa camelopardalis reticulata) in the herd, making it the largest captive giraffe herd in North America.
Barrens topminnow (Fundulus julisia) at Conservation Fisheries, a native stream fish breeding center. This species is endangered (IUCN). It is only found in the Barrens Plateau in middle Tennessee, making it one of the rarest fish in eastern North America.